var Ads = function() {
  var site_variable = '', receivedMessages = [], expectedMessages = [];
  return {
    display_ads: function() {
      if (showAds === true) {
					$("#ad_openx").remove();
					var ads_url = '/ads',
							request_url,
							openx_parameters = Ads.constructOpenxParameters(),
							main_content_height = $("#main_content").outerHeight(),
							sidebar_height = $("#sidebar").outerHeight() - $("#ad_openx").outerHeight(),
							ad_space_height = sidebar_height + 25;
					if (Ads.shouldDisplayAds(main_content_height, ad_space_height)) {
							Ads.createOpenxDiv();
							request_url = ads_url + "?main_content_height=" + main_content_height + "&sidebar_height=" + ad_space_height + "&openx_parameters=" + encodeURIComponent(this.site_variable) + encodeURIComponent(openx_parameters);
							$("#ad_openx").load(request_url, Ads.handleResponseForAds);
          }
      }
    },
    setSiteVariable: function(genres) {
				this.site_variable = "&exclusion=" + genres;
    },
    handleResponseForAds: function(response) {
      $("#ad_openx").remove();
      if (response !== "") {
        var main_content_height = $("#main_content").outerHeight(),
						sidebar_height = $("#sidebar").outerHeight() - $("#ad_openx").outerHeight(),
						div_height;
        if ((main_content_height - sidebar_height) > 110) {
						Ads.createOpenxDiv();
						div_height = main_content_height - sidebar_height - 54;
						$("#ad_openx").addClass("ad_openx lightGreyBg").css({ height:div_height + "px" });
						$("#ad_openx").html("<script type='text/javascript'>" + response + '</script>');
        }
      }
    },
    shouldDisplayAds: function(main_content_height, sidebar_height) {
				return $("#sidebar").length !== 0 && (sidebar_height < main_content_height);
    },
    constructOpenxParameters: function() {
				var openx_parameters = '';
				openx_parameters += "&amp;cb=" + Math.floor(Math.random() * 99999999999);
				openx_parameters += document.charset ? '&amp;charset=' + document.charset : (document.characterSet ? '&amp;charset=' + document.characterSet : '');
				openx_parameters += "&amp;loc=" + encodeURIComponent(window.location);
				if (document.referrer) openx_parameters += "&amp;referer=" + encodeURIComponent(document.referrer);
				if (document.context) openx_parameters += "&amp;context=" + encodeURIComponent(document.context);
				if (document.mmm_fo) openx_parameters += "&amp;mmm_fo=1";
				return openx_parameters;
    },
    createOpenxDiv: function() {
				var newDiv = document.createElement('div');
				newDiv.id = "ad_openx";
				$("#sidebar").append(newDiv);
    },
    display_page_specific_ads: function(domain, secure_domain, adserver_url, zone_id, adClassName) {
				var m3_u = (location.protocol == 'https:' ? secure_domain + adserver_url : domain + adserver_url),
						m3_r = Math.floor(Math.random() * 99999999999),
						adHolderEnd = (adClassName) ? '</div>' : '',
						adHolder = (adClassName) ? '<div class="' + adClassName + '">' : "";
				if (!document.MAX_used) document.MAX_used = ',';
				document.write(adHolder + "<script type='text/javascript' src='" + m3_u);
				document.write("?zoneid=" + zone_id);
				document.write('&amp;cb=' + m3_r);
				if (document.MAX_used != ',') document.write("&amp;exclude=" + document.MAX_used);
				document.write(document.charset ? '&amp;charset=' + document.charset : (document.characterSet ? '&amp;charset=' + document.characterSet : ''));
				document.write("&amp;loc=" + encodeURIComponent(window.location));
				if (document.referrer) document.write("&amp;referer=" + encodeURIComponent(document.referrer));
				if (document.context) document.write("&context=" + encodeURIComponent(document.context));
				if (document.mmm_fo) document.write("&amp;mmm_fo=1");
				document.write("'><\/script>" + adHolderEnd);
				if (adClassName) {
            $(document).ready(function() {
								$(".ad_holder").each(function() {
										var $this = $(this),
												AdContent = $("div[id~=beacon_]", $this).length;
										if (AdContent < 1) {
												$this.remove();
										} else {
												$("a[target=_blank]", this).each(function() {
														$(this).removeAttr("target");
												});
										}
								});
            });
				}
    },
    expectMessages: function(messageArray) {
				this.expectedMessages = messageArray;
				this.receivedMessages = [];
    },
    notify: function(message) {
				$.merge(Ads.receivedMessages, message);
				var receivedAll = true;
				$.each(Ads.expectedMessages, function() {
						if ($.inArray($.trim(this), Ads.receivedMessages) == -1) {
								receivedAll = false;
						}
        });
				if (receivedAll) Ads.display_ads();
		}
  };
}();

$(document).ready(function() {
	$(".ad_holder").each(function() {
		var $this = $(this),
				AdContent = $("div[id~=beacon_]", $this).length;
		if (AdContent < 1) {
				$(".flexi_ad", $this).remove();
		} else {
				$("a[target=_blank]", this).each(function() {
						$(this).removeAttr("target");
				});
		}
	});
});

Ads.expectMessages(["message_board", "aggregate_knowledge"])

$(document).ready(function() {
	var emailField = $("#alert_sign_up_form #subscriber_email_id")
	emailField.setHintText({ defaultText : "Email" });
        var authorAlertSignupFormSubmission = function(){
           var hintTxt = $.trim(emailField.val()).toLowerCase(),
           email_alert_link = $("a#get_email_alerts").attr("href"),
           email_address = $("#alert_sign_up_form #alert_subscriber_email_id #subscriber_email_id").attr("value");
           if ( hintTxt == "" || hintTxt == "email") {
             emailField.val("").focus().removeClass("setHint");
             return false;
           }
           tb_show("", email_alert_link + "&subscriber_email=" + email_address);
           return false;
	};

       $("#alert_sign_up_form #alert_subscriber_submit").click(authorAlertSignupFormSubmission);
       $("#alert_sign_up_form").submit(authorAlertSignupFormSubmission);

	$('#main_content .selection-box .selected ').click(function(evt) {
		$('#main_content .selection-box ul').toggle();
		evt.stopPropagation();
	});
	$(window).click(function(evt) {
		$('#main_content .selection-box ul').hide();
	});
});


$(document).ready(function(){
    Ads.display_ads();
});

/* Copy plugin
 * Copyright (c) 2007 Yang Shuai (http://yangshuai.googlepages.com)
 * Dual licensed under the MIT and GPL licenses - http://www.opensource.org/licenses/mit-license.php, http://www.gnu.org/licenses/gpl.html */
jQuery.copy=function(t){if(typeof t=='undefined'){t=''}var d=document;if(window.clipboardData){window.clipboardData.setData('Text',t)}else{var f='flashcopier';if(!d.getElementById(f)){var dd=d.createElement('div');dd.id=f;d.body.appendChild(dd)}d.getElementById(f).innerHTML='';var i='<embed src="/flash/copy.swf" FlashVars="clipboard='+encodeURIComponent(t)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>';d.getElementById(f).innerHTML=i}};

$(document).ready(function() {
    $("#title_content .share_links a.rss").click(function() {
        $("#title_content #rss_options").fadeIn();
        $("#title_content #sharethis_0 a").click(function(){$("#title_content #rss_options").fadeOut();});
        return false;
    });
    $("#title_content #rss_options a.close").click(function() {
        $("#title_content #rss_options").fadeOut();
        return false;
    });
    $("#title_content #rss_options #copy_author_rss_url").click(function() {
        var copy_text = $("#title_content #rss_options #author_rss_url").attr("value");
        $.copy(copy_text);
        return false;
    });
});